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   <div id="projectname">gbmath
   &#160;<span id="projectnumber">v0.051</span>
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   <div id="projectbrief">c++ math library</div>
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<div class="title">ray2d.cpp</div>  </div>
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<a href="ray2d_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;﻿ </div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;</div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="__gbmath_8h.html" title="MAIN INCLUDE HEADER. ">_gbmath.h</a>&quot;</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;</div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160; </div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="keyword">namespace </span>gbmath</div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;{</div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;</div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;</div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;</div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;</div>
<div class="line"><a name="l00012"></a><span class="lineno"><a class="code" href="namespacegbmath.html#a691b9bcad0696b662869ddfea3a281b1">   12</a></span>&#160;    <span class="keywordtype">int</span> <a class="code" href="namespacegbmath.html#a691b9bcad0696b662869ddfea3a281b1">__IsPointInBoundingBox</a>(<span class="keywordtype">float</span> x1, <span class="keywordtype">float</span> y1, <span class="keywordtype">float</span> x2, <span class="keywordtype">float</span> y2, <span class="keywordtype">float</span> px, <span class="keywordtype">float</span> py)</div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;    {</div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;        <span class="keywordtype">float</span> left, top, right, bottom; <span class="comment">// Bounding Box For Line Segment</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;</div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;        <span class="comment">// For Bounding Box</span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;        <span class="keywordflow">if</span>(x1 &lt; x2)</div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;        {</div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;            left = x1;</div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;            right = x2;</div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;        }</div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;        <span class="keywordflow">else</span></div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;        {</div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;            left = x2;</div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;            right = x1;</div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;        }</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;        <span class="keywordflow">if</span>(y1 &lt; y2)</div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;        {</div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;            top = y1;</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;            bottom = y2;</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;        }</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;        <span class="keywordflow">else</span></div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;        {</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;            top = y2;</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;            bottom = y1;</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;        }</div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;        <span class="keywordflow">if</span>( (px+0.01) &gt;= left &amp;&amp; (px-0.01) &lt;= right &amp;&amp; </div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;            (py+0.01) &gt;= top &amp;&amp; (py-0.01) &lt;= bottom )</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;        {</div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;            <span class="keywordflow">return</span> 1;</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;        }</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;        <span class="keywordflow">else</span></div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;            <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;    }</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;</div>
<div class="line"><a name="l00051"></a><span class="lineno"><a class="code" href="namespacegbmath.html#a01b6ded341ba9825990da7b1c06221b4">   51</a></span>&#160;    <span class="keywordtype">int</span> <a class="code" href="namespacegbmath.html#a01b6ded341ba9825990da7b1c06221b4">__LineSegmentIntersection</a>(<span class="keywordtype">float</span> l1x1, <span class="keywordtype">float</span> l1y1, <span class="keywordtype">float</span> l1x2, <span class="keywordtype">float</span> l1y2,</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;        <span class="keywordtype">float</span> l2x1, <span class="keywordtype">float</span> l2y1, <span class="keywordtype">float</span> l2x2, <span class="keywordtype">float</span> l2y2,</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;        <span class="keywordtype">float</span> *m1, <span class="keywordtype">float</span> *c1, <span class="keywordtype">float</span> *m2, <span class="keywordtype">float</span> *c2,</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;        <span class="keywordtype">float</span>* intersection_X, <span class="keywordtype">float</span>* intersection_Y)</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;    {</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;        <span class="keywordtype">float</span> dx, dy;</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;        dx = l1x2 - l1x1;</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;        dy = l1y2 - l1y1;</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;        *m1 = dy / dx;</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;        <span class="comment">// y = mx + c</span></div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;        <span class="comment">// intercept c = y - mx</span></div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;        *c1 = l1y1 - *m1 * l1x1; <span class="comment">// which is same as y2 - slope * x2</span></div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;        dx = l2x2 - l2x1;</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;        dy = l2y2 - l2y1;</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;        *m2 = dy / dx;</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;        <span class="comment">// y = mx + c</span></div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;        <span class="comment">// intercept c = y - mx</span></div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;        *c2 = l2y1 - *m2 * l2x1; <span class="comment">// which is same as y2 - slope * x2</span></div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;        <span class="keywordflow">if</span>( (*m1 - *m2) == 0)</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;            <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;        <span class="keywordflow">else</span></div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;        {</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;            *intersection_X = (*c2 - *c1) / (*m1 - *m2);</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;            *intersection_Y = *m1 * *intersection_X + *c1;</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;        }</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;        <span class="keywordflow">if</span>(<a class="code" href="namespacegbmath.html#a691b9bcad0696b662869ddfea3a281b1">__IsPointInBoundingBox</a>(l1x1, l1y1, l1x2, l1y2, *intersection_X, *intersection_Y) == 1 &amp;&amp; <a class="code" href="namespacegbmath.html#a691b9bcad0696b662869ddfea3a281b1">__IsPointInBoundingBox</a>(l2x1, l2y1, l2x2, l2y2, *intersection_X, *intersection_Y) == 1)</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;        {</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;            <span class="keywordflow">return</span> 1;</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;        }</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;        <span class="keywordflow">else</span></div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;            <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;    }</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;</div>
<div class="line"><a name="l00095"></a><span class="lineno"><a class="code" href="classgbmath_1_1ray2d.html#a5bb845b6e484b2a843ea2f7ae90fe101">   95</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="classgbmath_1_1ray2d.html#a5bb845b6e484b2a843ea2f7ae90fe101">ray2d::IsIntersect</a>(<a class="code" href="structgbmath_1_1vec2.html" title="2d-base vector. Corrected by operators epislon ">vec2</a>&amp; pointIntersection , <span class="keyword">const</span> <a class="code" href="classgbmath_1_1ray2d.html" title="ray in 2d space ">ray2d</a>&amp; ry )</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;{</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;    <a class="code" href="structgbmath_1_1vec2.html" title="2d-base vector. Corrected by operators epislon ">vec2</a> s1 = <a class="code" href="classgbmath_1_1ray2d.html#a5dbdc7a0e2244fcc9c9570bfda828de6" title="center ray ">orig</a>;</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;    s1.<a class="code" href="structgbmath_1_1vec2.html#a844a2e5747ad6586213f81760ca5f44c">move</a>( <a class="code" href="classgbmath_1_1ray2d.html#ad40cb26f9e12e1ee678f0c1cd0c0a7a4" title="direction ray (most normalized) ">dir</a>, FLT_MAX  );</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;    <a class="code" href="structgbmath_1_1vec2.html" title="2d-base vector. Corrected by operators epislon ">vec2</a> s2 = ry.<a class="code" href="classgbmath_1_1ray2d.html#a5dbdc7a0e2244fcc9c9570bfda828de6" title="center ray ">orig</a>;</div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;    s2.<a class="code" href="structgbmath_1_1vec2.html#a844a2e5747ad6586213f81760ca5f44c">move</a>( ry.<a class="code" href="classgbmath_1_1ray2d.html#ad40cb26f9e12e1ee678f0c1cd0c0a7a4" title="direction ray (most normalized) ">dir</a> , FLT_MAX );</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;</div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;    <span class="keywordtype">float</span> m1, c1, m2, c2;</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;    <span class="keywordtype">float</span> intersection_X, intersection_Y;</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;</div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;    <span class="keywordtype">int</span> res = <a class="code" href="namespacegbmath.html#a01b6ded341ba9825990da7b1c06221b4">__LineSegmentIntersection</a>( </div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;        <a class="code" href="classgbmath_1_1ray2d.html#a5dbdc7a0e2244fcc9c9570bfda828de6" title="center ray ">orig</a>.<a class="code" href="structgbmath_1_1vec2.html#a86ff75c64d87662abfee8c35c5a343d0">x</a> , <a class="code" href="classgbmath_1_1ray2d.html#a5dbdc7a0e2244fcc9c9570bfda828de6" title="center ray ">orig</a>.<a class="code" href="structgbmath_1_1vec2.html#a9212649e2705d2216739fc89763f00b6">y</a> , s1.<a class="code" href="structgbmath_1_1vec2.html#a86ff75c64d87662abfee8c35c5a343d0">x</a> , s1.<a class="code" href="structgbmath_1_1vec2.html#a9212649e2705d2216739fc89763f00b6">y</a>, <span class="comment">//s1.p1.x , s1.p1.y , s1.p2.x , s1.p2.y , </span></div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;        <a class="code" href="classgbmath_1_1ray2d.html#a5dbdc7a0e2244fcc9c9570bfda828de6" title="center ray ">orig</a>.<a class="code" href="structgbmath_1_1vec2.html#a86ff75c64d87662abfee8c35c5a343d0">x</a> , <a class="code" href="classgbmath_1_1ray2d.html#a5dbdc7a0e2244fcc9c9570bfda828de6" title="center ray ">orig</a>.<a class="code" href="structgbmath_1_1vec2.html#a9212649e2705d2216739fc89763f00b6">y</a> , s2.<a class="code" href="structgbmath_1_1vec2.html#a86ff75c64d87662abfee8c35c5a343d0">x</a> , s2.<a class="code" href="structgbmath_1_1vec2.html#a9212649e2705d2216739fc89763f00b6">y</a>, <span class="comment">//s2.p1.x , s2.p1.y , s2.p2.x , s2.p2.y ,</span></div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;        &amp;m1, &amp;c1, &amp;m2, &amp;c2,</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;        &amp;intersection_X, &amp;intersection_Y</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;        );</div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;</div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;    pointIntersection.<a class="code" href="structgbmath_1_1vec2.html#a86ff75c64d87662abfee8c35c5a343d0">x</a> = intersection_X;</div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;    pointIntersection.<a class="code" href="structgbmath_1_1vec2.html#a9212649e2705d2216739fc89763f00b6">y</a> = intersection_Y;</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;</div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;    <span class="keywordflow">return</span> res != 0;</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;}</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;</div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;</div>
<div class="line"><a name="l00122"></a><span class="lineno"><a class="code" href="classgbmath_1_1ray2d.html#a3469dce01e0e7a857d9539afac4a3513">  122</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="classgbmath_1_1ray2d.html#a3469dce01e0e7a857d9539afac4a3513">ray2d::IsIntersectCircle</a>(<span class="keywordtype">float</span>* ps0, <span class="keywordtype">float</span>* ps1, <span class="keyword">const</span> <a class="code" href="classgbmath_1_1_circle.html" title="circle in two-dimensional space ">Circle</a>&amp; cir )</div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;{</div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;    <a class="code" href="structgbmath_1_1vec2.html" title="2d-base vector. Corrected by operators epislon ">vec2</a> v = <a class="code" href="classgbmath_1_1ray2d.html#a5dbdc7a0e2244fcc9c9570bfda828de6" title="center ray ">orig</a> - cir.<a class="code" href="classgbmath_1_1_circle.html#a662e46f01623ce6fa203bc9150cd8db8">center</a>;</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;    <span class="keywordtype">float</span> b = 2.0f * <a class="code" href="classgbmath_1_1ray2d.html#ad40cb26f9e12e1ee678f0c1cd0c0a7a4" title="direction ray (most normalized) ">dir</a>.<a class="code" href="structgbmath_1_1vec2.html#ab9f06c31143d61552717f11182ae4c0b">dot</a>( v );</div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;    <span class="keywordtype">float</span> c = v.<a class="code" href="structgbmath_1_1vec2.html#ab9f06c31143d61552717f11182ae4c0b">dot</a>(v) - cir.<a class="code" href="classgbmath_1_1_circle.html#a29a6e116edb47149278a32565d6666d1">radius</a>*cir.<a class="code" href="classgbmath_1_1_circle.html#a29a6e116edb47149278a32565d6666d1">radius</a>;</div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;    <span class="keywordtype">float</span> discriminant = (b * b) - (4.0f * c);</div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;    <span class="keywordflow">if</span>(discriminant &lt; 0.0f)</div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;    {</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;    }</div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;    discriminant = sqrtf(discriminant);</div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;</div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;    <span class="keywordtype">float</span> s0 = (-b + discriminant) / 2.0f;</div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;    <span class="keywordtype">float</span> s1 = (-b - discriminant) / 2.0f;</div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;</div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;    <span class="keywordflow">if</span>(ps0) *ps0 = s0;</div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;    <span class="keywordflow">if</span>(ps1) *ps1 = s1;</div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;</div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;    <span class="keywordflow">if</span>(s0 &gt;= 0.0f || s1 &gt;= 0.0f)</div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;    {</div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;    }</div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;</div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;    <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;}</div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;</div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;</div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;</div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;</div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;</div>
<div class="line"><a name="l00153"></a><span class="lineno"><a class="code" href="classgbmath_1_1ray2d.html#a29733e768f2b9198ea26317468510e1a">  153</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="classgbmath_1_1ray2d.html#a29733e768f2b9198ea26317468510e1a">ray2d::IsIntersectCirclePoints</a>(<a class="code" href="structgbmath_1_1vec2.html" title="2d-base vector. Corrected by operators epislon ">vec2</a>&amp; point0, <a class="code" href="structgbmath_1_1vec2.html" title="2d-base vector. Corrected by operators epislon ">vec2</a>&amp; point1,  <span class="keyword">const</span> <a class="code" href="classgbmath_1_1_circle.html" title="circle in two-dimensional space ">Circle</a>&amp; cir )</div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;{</div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;</div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;    point0 = <a class="code" href="structgbmath_1_1vec2.html" title="2d-base vector. Corrected by operators epislon ">vec2</a>();</div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;    point1 = <a class="code" href="structgbmath_1_1vec2.html" title="2d-base vector. Corrected by operators epislon ">vec2</a>();</div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;</div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;    <span class="keywordtype">float</span> f0 = 0.0f;</div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;    <span class="keywordtype">float</span> f1 = 0.0f;</div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;</div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;    <span class="keywordtype">bool</span> res = <a class="code" href="classgbmath_1_1ray2d.html#a3469dce01e0e7a857d9539afac4a3513">IsIntersectCircle</a>(&amp;f0, &amp;f1, cir);</div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;    <span class="keywordflow">if</span>(!res)</div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;    {</div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;        <span class="keywordflow">return</span> res;</div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;    }</div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;</div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;    point0 = <a class="code" href="classgbmath_1_1ray2d.html#a5dbdc7a0e2244fcc9c9570bfda828de6" title="center ray ">orig</a>.<a class="code" href="structgbmath_1_1vec2.html#a8d549ae0a208ee2f402373bbf10fdac5" title="return moved point ">moved</a>( <a class="code" href="classgbmath_1_1ray2d.html#ad40cb26f9e12e1ee678f0c1cd0c0a7a4" title="direction ray (most normalized) ">dir</a>, f0 );</div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;    point1 = <a class="code" href="classgbmath_1_1ray2d.html#a5dbdc7a0e2244fcc9c9570bfda828de6" title="center ray ">orig</a>.<a class="code" href="structgbmath_1_1vec2.html#a8d549ae0a208ee2f402373bbf10fdac5" title="return moved point ">moved</a>( <a class="code" href="classgbmath_1_1ray2d.html#ad40cb26f9e12e1ee678f0c1cd0c0a7a4" title="direction ray (most normalized) ">dir</a>, f1 );</div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;</div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;    <span class="keywordflow">return</span> res;</div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;}</div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;</div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;</div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;</div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;</div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;}</div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160; </div>
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